By Nizar Manek, 26 March 2018(Bloomberg) --Ethiopian police arrested 12 opposition activists, including previously freed detainees, after they displayed a flag that differs from the official national banner.Those arrested include four members of the opposition Blue Party, two journalists including Eskinder Nega, the former vice chairman of the Unity for Democracy and Justice Party Andualem Aragie, and three members of the Zone 9 blogging collective, according to the chairmen of the two opposition parties.(265 words)https://www.bloomberg.com/news/articles/2018-03-26/ethiopia-arrests-a-dozen-opposition-activists-over-flag-display